United States of America

While in cruising altitude, the twin engine airplane went into a dive and eventually crashed in a prairie. The pilot, sole on board, was killed.

While in cruising altitude in poor weather conditions, the right engine failed. Shortly later, the pilot lost control of the airplane that dove into the ground and crashed in an isolated area. The wreckage was found a day later and all three occupants were killed. At the time of the accident, weather was poor with snow falls and icing conditions.

While descending to South Lake Tahoe Airport, the right engine failed. The pilot tried to maintain height and speed but the airplane eventually stalled and crashed in the Tahoe Valley. A passenger was seriously injured while all four other occupants were killed.

Shortly after takeoff from Dallas-Love Field Airport, while climbing, the pilot lost control of the airplane that stalled and crashed in flames in an open field. The aircraft was destroyed and all three occupants were killed.

This HU-16E crew was performing a scheduled logistics/law enforcement mission to the Loran Station on St. Paul Island. When then arrived they encountered poor weather with a ceiling below 400-feet with light snow falling. With insufficient fuel available to reach an alternate airfield, the pilot attempted to land at the strip. On the fourth attempt to land, the plane crashed when the right wing tip struck the ground. AT2 Frank R. Edmunds was fatally injured as a result.
Source: http://www.check-six.com/lib/Coast_Guard_Aviation_Casualties.htm

The crew was completing a cargo flight to Kelly AFB, San Antonio, Texas, on a subcontract for the US Air Force. While descending to Kelly AFB, the crew decided to divert to San Antonio-Intl Airport for unknown reason. While on a night approach, the pilot-in-command failed to realize his altitude was too low when the airplane struck trees, stalled and crashed in a cleef. The aircraft was destroyed and all three crew members were killed. At the time of the accident, the airplane was 1,100 feet below the glide.

The crew was completing a training mission in the region of New York State. While descending to Westchester County Airport, he encountered poor weather conditions (fog) and decided to follow a holding pattern. Few minutes later, both engines failed simultaneously. The aircraft lost height then crashed in flames in a field located in Armonk, some four miles north of Westchester County. The aircraft was destroyed and all three occupants were killed.

The crew was completing a local training mission at Oakland International Airport. After touchdown, the pilot-in-command started the braking procedure when control was lost. The airplane veered off runway before coming to rest. While all four crew members were uninjured, the aircraft was damaged beyond repair.

While descending to Fairchild AFB on a flight from Hickam Field, Hawaii, the airplane was too low and the struck the slope of Mt Shadow (4,337 feet high) located 40 miles northwest of Fairchild AFB. The airplane struck trees and disintegrated on impact, killing all nine crew members.

Following a normal touchdown at Norfolk Municipal Airport, the crew started the braking procedure when the airplane collided with a snow plow. A wing was torn off and the snowplow was dragged over several meters. There were no injuries but the aircraft was damaged beyond repair.